Gasoline station pump nozzle strainer



Jan. 30, 1945. A, KLAzKlN ETAL 2,368,145

eAsoLnm STATION PUMP NozzLE sTRAINER Filed Deo. 2o, 194i TTORNEY,

Patented Jan. 30, 1945 ernsoLINEy s'rATIoNrUMP NozzLE STRAINER AlfredKla'zkin and Murray J. Danciger, Brooklyn, N. Y.

Application December zo, 1941. serial No. 423,734

1 Claim.

Our invention relates to an improvement in a gasoline station pumpnozzle strainer and the noveltyvconsists in the adaptation andarrangement of parts as willy be more fully hereinafter pointed out.

It always has been and still is a serious problem to finally delivergasoline to the tank of an airplane or automobile and be positive thatit is free from dirt particles or sediment Which may prove vital to theoperation of the carburetor and motor as these are always getting in byaccident or forming therein.

Our device solves this problem andinsures absolute freedom from foreignmatter and sediment going into the tank and hence into the carburetor ofan airplane or an automobile and is particularly adapted to ythesolution of this problem as it is adapted to be fitted onto any gasolinestation pump nozzle, be it on the road or at an aviation field.

Referring to the drawing; y

Fig. 1 is an elevation of the usual gasoline lling station pump showingthe pipe and nozzle connection;

Fig. 2 is a side elevation of our strainer device, a portion beingbroken away at one end for con- Venience in illustration and thestrainer portion being shown in vertical section in order to show theinterior construction;

Fig. 3 is a top plan view of the strainer section on the line 3-3 ofFig. 2;

Fig. 4 is a View of the outer end of our strainer with the tube portioncut away in order to show the interior strainer construction;

Fig. 5 is a top plan View of the complete single piece strainer.

In the drawing, our tubular strainer member 6 has thumb set screws Imounted in the inner end which are adapted to be fastened into positionto hold Ithe tubular member 6 on the delivery end of the usual gasolinepump nozzle I1.

'I'he tubular member 6 has a circular depressed portion 8 which isreadily formed in the comparatively light metal tubular member 6 so that8 will form a circular rim inside of the tubular member 6 to act as a.sto-p member against fthe outer end of the nozzle member I'I.

A strainer element 9 of a single piece of very ne brass wire mesh orother suitable wire mesh material is stamped into circular strainermembers I0, II and a circular cup member I2 having tab members 2|, 22and 23 with circular holes 24, 25 and 26 therein and soft metal rivetsI3, I4, I 5 are adapted to be mounted through holes in the tubularmember 6 and through holes 24, 25,

26 in that order and hammered down rigidly in position in the usual wellknown manner so that ID and II are mounted at opposite angles across theentire opening of tubular member 6.

This, it will be seen, is entirely practical where I3 is first placed inposition "and hammered down and then I4 and I5.

It will also be noted that the cup member I2 iits the inner tubularmember 6 so snugly that there is rn0 need of any additional fasteningother than at I5.

In mounting our strainer device 6 on the end of a nozzle I'I connectedwith the lling hose I9 and the usual gasoline pump 20 the strainerdevice will serve to strain all gasoline leaving the pump through thenozzle I 'I which has the usual handle device I8 so that the :foreignsubstances which may have gotten into the gasoline at any time up tothis nal delivery for actual use in a motor or any sediment which mayhave formed in the blended gasolines which are so commonly in use willbe strained out as they pass rst through the two straining elements I0and II mounted at opposite angles and then through cup I2, so that whenone element does not catch the particles of dirt another strainingelement will because of rthe diierent angles at which said particles maycatch in the strainer mesh.

It is to be particularly noted that the final straining element I2 is acup member formed of the same fine wire mesh being integral with themembers II and I0 but having the advantage of its sloping sides toretain and catch particles which have not been Icaught in I0 and II attheir particular angles.

It is also pointed out that the strainer elements I 0, II and I2constituting the complete unit 9 may be removed if they become worn orinjured in any way by the cutting of the soft metal rivets I3, I4, I5and placing a new strainer 9 in the same place and replacing the rivetsI3, I4, I5, as above described.

It will be noted that the strainer element 9 and particularly the lowercup member I2 are properly housed and spaced bythe space I6 from theouter end of the tubular member 5 so as to be protected against anyinjury to the strainer elements I2, II, III.

While there may be many strainer elements used in the handling ofgasoline through its varivous, steps of transfer from the renery, thereis nothing which takes the place of the iinal straining of the gasolineto insure that nothing by way of foreign substance or sediment goes withthe gasoline into the tank of an airplane or automobile to causeultimate blocking of the :ine nozzles of the carburetors and dangerousstopping of the motor at a time when it will cause accidents. Thecombination of our readily adjustable strainer to the end of the usualgas illing station nozzle is vital t the insurance of absolute freedomfrom foreign substance or sediment in the gasoline fed into airplanes orautomobiles.

It is also to be noted that by loosening the set screw 1 and sliding thetubular member 6 oi of the nozzle the dirt collected in the screens l0,Il, l2 can bewashed out very readily by the running of a stream throughthe tubular member 6 countercurrent t0 the regular way by starting thestream back through the outlet end of the nozzle 6 at I6 so that thelife and eciency of the strainer 6 may be thus readily extended andimproved.

It is fina-ily to be noted that our strainer device is readily andquickly adjusted to and fastened in position on any lgasoline pumpnozzle so that if the strainer 6 clogs up a new strainer 6 can readilybe mounted in position as these devices are inexpensive to manufactureand can always be maintained at slight expense in quantities forreplacing Where they become clogged or defective in any way so that theoperator of the pump can always be sure that gasoline being deliveredhas an eiective and efficient strainer mounted and operating in the hoseon the end of the nozzles.

What we claim is:

In a. gasoline pump nozzle strainer, the combination of a tubular memberadapted to fit over and be secured in xed position on the open end of agasoline pump nozzle, manually operated clamping means on said tubularmember for effecting said clamping. a stop formed from said tubularmember on the inside for limiting the insertion of said nozzle into saidtubular member and a single piece strainer member secured Within saidtubular member and formed of two fiat members and a cup member, allthree of said strainer members having their outer peripheries contactingthe inner surface of the tubular member and being integral with eachother and connected by tabs with one flat member positioned at aninclination to the horizontal axis of the tubular member in proximity tothe mouth of the nozzle, the second flat member being secured to `thefirst ilat member and positioned at an opposite inclination to the axisof the tube, and spaced from the rst member and the cup member beingsecured to the second fiat member and positioned horizontally to thetubular member and adjacent the outlet end thereof, and spaced from thesecond flat member.

ALFRED KLAZKIN. MURRAY J. DANCIGER.

